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%I #7 Dec 03 2019 07:09:52
%S 2,4,8,14,29,66,143,404
%N Face-pairing graphs (see reference for precise definition).
%H B. A. Burton, <a href="https://people.smp.uq.edu.au/BenjaminBurton/papers/burton07-enumeration.pdf">Enumeration of non-orientable 3-manifolds using face-pairing graphs and union-find</a>, Discrete and Computational Geometry, 38 (2007), 527-571.
%K nonn,more
%O 3,1
%A _N. J. A. Sloane_, Oct 01 2007
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